In just over a week, negotiations over the Pentagon’s use of Anthropic’s Claude technology fell through, the Trump administration designated Anthropic a supply-chain risk, and the AI company said it would fight that designation in court.

OpenAI, meanwhile, quickly announced a deal of its own, prompting backlash that saw users uninstalling ChatGPT and pushing Anthropic’s Claude to the top of the App Store charts. And at least one OpenAI executive has quit over concerns that the announcement was rushed without appropriate guardrails in place.